American practical navigator: an epitome of navigation and nautical astronomy (1914)
Bowditch, Nathaniel, 1773-1838, Logan, George Wood, 1868-1915, United States. Navy Dept. Bureau of Equipment · Washington, Govt. Print. Off · leaf 95
tercepted between those circles. It is measuredtoward the west as a positive direction through the twenty-four hours, or 360 degrees,which constitute the interval between the successive returns to the meridian, dueto the diurnal rotation of the earth, of any point in the celestial sphere. The… … FIG. 29. DEFINITIONS RELATING TO NAUTICAL ASTKONOMY. 89 point; it may also be regarded as the arc of the horizon intercepted between thosecircles. It is measured from either the north or the south point of the horizon(usually that one of the same name as the elevated pole) to the east or west…
Navigation · Nautical astronomy
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
